Question

the device used to determine the distance, direction, speed of under water objects ____________________ a) sonar b) radar c) boiler d) laser​

Answer 1

Answer:

(a) Sonar

It is the device which is used to determine the distance, direction, speed of under water objects.

Answer 2

Answer:

A)Sonar

Explanation:

The acronym sonar stands for sound Navigation And Ranging. Sonar is a device that uses ultrasonic waves to measure the distance, direction and speed of underwater objects.